Type-writing machine.



No. 759,816. PATENTED MAY 10, 1904. J. H. w. MARRIOTT. TYPE WRITINGMACHINE. APPLICATION FILED MAR. 19, 1903.

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J. H. W. MARRIOTT. TYPE WRITING MACHINE.

APPLICATION FILED MAR. 10, 1903.

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THE Monms Prrtns c0, Puma-MRO, WASHINGTON. o. c.

No. 759,816. PATENTED MAY 10, 1904. J. H. W. MARRIOTT.

TYPE WRITING MACHINE.

APPLICATION FILED MAR. 19. 1903.

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No. 759,816. PATENTED MAY 10 1904.

J. H. W. MARRIOTT. TYPE WRITING MACHINE. APPLICATION FILED MAR. 19,1903.

N0 MODEL.

9 SHEETS-SHEET 6\ we Noam FETCH$ cu. o ou'mo. WASHKNUYON. n c,

No. 759,816. PATENI'EI) MAY 10, 1904. J. II. W. MARRIOTT.

TYPE WRITING MAGHINE.

APPLICATION FILED MAR. 19, 1903 NO MODEL. Y 9 SHEETS-SHEET 6 amvemtoz WWY W M atto'unm PATENTED MAY 10, 1904.

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9 SHEETS-SHEET 1 up MODEL.

No. 759,816. PATENTED MAY 10, 1904.

J. H. W. MARRIOTT.

' TYPE WRITINGv MACHINE.

APPLICATION FILED MAR. 19, 1903. N0 MODEL.

9 SHEETS-SHBET 8.

N3. 759,816; PATENTED MAY 10, 1904. J. H. W. MARRIOTT.

TYPE WRITING MACHINE. APPLICIATION rum) MAR. 19, 1903.

N0 MODEL.

9 SHEETS-SHEET 9.

UNITED STATES Patented May 10, 1904.

PATENT OFEIcE.

TYPE-WRITING MACHINE.

SPECIFICATION forming part of Letters Patent No. 759,816, dated May 10,1904.

Application filed March 19, 1903. Serial No. 148,611. (No model.)

, To all 1.0121011) it may 0011106771 Be it known that 1, JAMES H. W.MARRIOTT, a citizen of the United States, residing at RuX- ton, in thecounty of Baltimore and State of Maryland, have invented certain new anduseful Improvements in Type-VVriting Machines, of which the following isa specification.

The purpose of my invention is to provide a type-writing machine adaptedfor writing upon fiat surfaces, such as the pages of a book or sheets ofpaper placed upon a flat platen or printing-bed. To this end thewriting-machine is arranged upon fixed guideways which are supported ata suitable distance above the printing-surface and carry the entireWeight of the machine, and mechanism is provided for spacing the machinelongitudinally of said guideways to print successive lines, thismovement of the machine being necessary for printing upon the pages ofheavy books. In addition to the provision for moving the machine forlinespacingl also provide a platen upon guideways arranged. between themachineguideways and beneath the machine and mechanism for spacing theplaten rearwardly, so that for light work, such as printing uponseparate sheets of paper, the platen may be moved for line-spacinginstead of moving the machine. As the machine is adjustable upon themachine-guideways, it may be set in any desired position at a convenientdistance from the operator, and in printing upon separate sheets ofpaper-such as letterheads,"billheads, and other account-sheets-theplaten carrying the work is spaced away from the op erator instead ofspacing the machine toward the operator. While it is necessary inbookwork to space the machine, it is desirable to avoid changing theposition of the machine relatively to the operator andto avoid thenecessity of reaching or bending forward to operate the keys whileprinting at the top of a page, and for that reason I have provided amachine in which where the nature of the work requires it the machinemay be spaced, but in which for lighter work which admits of beingreadily moved the machine itself remains stationary and theplatencarrying the work is spaced for successive lines of printing.

The writing-machine comprises a main supporting frame or carriagemovable upon the machine-guideways for line-spacing, a tiltingcarriage-frame journaled in said main supporting-frame, a type-framecarriage movable upon said tilting carriage-frame for letter spacing, arocking or tilting type-frame journaled upon a horizontal axis in saidtypeframe carriage, and printing mechanism carried by said type-frameand comprising a se ries'of type-bars arranged radial to theprinting-point, each type-bar having two or more printing characterswith their faces arranged in different planes and key-levers foroperating said type-bars. The members of the escape- Inent devices forreleasing the type-frame carriage for letter-spacing are arranged uponsaid carriage and the tilting carriage-frame, respectively, and theuniversal bar is arranged to rock with the type-f1ame, and in order topermit said type-frame to rock without operating the escapementmechanism the member of said mechanism upon the type-frame carriage isconnected to the universal bar by flexible connections which permit suchrocking motion and which cause the operation of the escapement deviceswhen a type-key or the spacing-key is depressed.

The machine embodies various other improvements, the construction andoperation of which will be pointed out in the following specificationand the accompanying drawings.

In the drawings, Figure 1 is a top plan view of the writing-machine,platen, and supporting-table, various parts of the machine beingomitted. Fig. 2 a front elevation of the machine and platen. Fig. 3 is aright-hand side view of the same with the cover or casing arranged uponthe top of the machine.

Fig. 4: is a vertical section through the ma chine on the line a a ofFig. 2, some of the parts in the rear belng omitted. Fig. 5 1s a similarview on the line b 7) of Flg. 2. Fig. 6

is a similar View on the line 0 c of Fig. 2, the

writing-machine being tilted upward away from the printing' surface.Fig. 7 is a perspective view of the main supporting frame or carriageand the tilting carriage-frame which is journaled therein. Fig. 8 is asimilar view of the type-frame" carriage which travels upon the tiltingcarriage-frame. Fig...

suspended between the machine-guideways A 9 is a side view of the mainsupporting-carriage and the tilting carriage-frame, the movement of thelatter being indicated in dotted lines. Figs. 10 and 11 are side viewsof the parts for shifting the ribbon-guide rearward] y to inspect theprinting-line, said guide being shown in central transverse section.Fig. 12 is a plan view of the platen line spacing mechanism and portionsof the platen. Fig. 13 is a top plan view of the adjacent ends of one ofthe space-key levers and one of the links which connect the universalbar to the type-frame. Fig. 1 1 is a side view of the spacing-keylevers, a type-key lever, a ribbon-moving pawl, and the flexibleconnections between the frame, the universal bar, and the bar whichsupports the movable member of the escapement mechanism, the normalpositions of said parts being indicated in dotted lines and the fulllines indicating their positions when a type-key is depressed. Fig. 15is an enlarged perspective view of a ribbonpawl and a portion of one ofthe ribbon-spool ratchet-wheels. Fig. 16 is a rear elevation of thefront guide-plate on the type-frame and part of one of the type-bars,and Fig. 17 is a side view of part of a type-bar.

Referring to the drawings, A and B indicate a pair of parallel rails orguideways supported horizontally at a suitable distance apartfrom andindependently of the platen C or other printing bed or surface bystandards or' uprights 1 and 1, Fig. 2, which are secured to theguideways and to a supportingtable 2. Parallel toothed racks 3 arearranged upon the upper edge of each rail a short distance apart,leaving between the racks of each rail or guideway a channel 1.

JlZmPn. supporting frcmm or carriaga-A main supporting frame or carriageD for the printing mechanism, Figs. 1 to 8, inclusive, is

and B by means of a pair of wide pinions 5, each engaging bot-h racks ofa guideway, and a pair of double pinions 6, each engaging both racks ofa guideway and having a central rib or disk 6, which extends into thechannel 4. The main supporting-frame D, Fig. 7, consists of a pair ofsimilar triangular side plates or hangers 7 and 7 a and cross-bars 9 and10, connecting said hangers with one another. The pinions 5 arejournaled upon studs 11, secured to the forward ends of the hangers, andthe pinions 6 are fixed to the ends of a shaft 12, which is journaled inthe rear ends of the hangers. The disks 6, fitting within the channels1, prevent any side play of the frame, and as all of the pinions have awide bearing on the racks the frame is held rigidly against any twistingtendency in operation.

Tilting carriage 7 /'(me.A tilting carriage-frame E, consisting of twosimilarlyformed side pieces 13 13, secured together by cross-bars 1 1,15, and 16 and having a counter- E u weight 17 secured to 1ts sidepieces by rear- 1 wardly extending arms 18, is pivotally mounted in thelowermost parts of the hangers 7 and 8 upon pivot-screws 1 9 insaid'hangers. The forward end of the frame E is supported by eccentricscrews 20 and 20, threaded into the side pieces 13 13 and resting uponthe upper edges of the hangers 7 and 7 respectively. The bars 141 and 15constitute tracks or ways upon which the type-frame carriage F (see Fig.8) travels transversely of the platen for letter-spacing.

ilfilU/L'f'll Zine spacing awe/Landsat.-The frames D, E, and F and theprinting mechanism carried thereby are movable longitudinally ofthemachine-guideways with a stepby-step motion for line-spacing by means ofa lever 16, (see Figs. 1, 2, and 3,) 'fulcrumed upon a stud 17,projecting laterally from the hanger 7, a short lever 18, fulcrumed upona stud 19, also secured to said hanger, and a spring-pawl 20, pivoted toone end of the short lever and engaginga ratchet-wheel 21, secured uponthe end of the pinion-shaft 12. The levers 16 and 18 lie normally at anangle to one another, as shown, the lever 18 having a slot 22, which isengaged by a pin 23 upon the lever 16, and the latter being held in theposition shown by a spring 16", connected to the lever and to a bracket27 upon the hanger 7. The pawl is held in engagement with theratchet-wheel by a spring 2 1. The arrangement is such that when theforward end of the spacing-lever 16 is depressed the pawl will bedepressed and the ratchet-wheel and shaft 12 will be turned, therebycausing the pinions 6, which engage the rack, to move the machineforward, as will be evident from an inspection of the drawings. Thedistance to which the machine moves at each operation of thespacing-lever is determined by adjustable steps 25 and 26, which aresupported by brackets 27 and 28 upon the hanger 7 These steps limit themovement of the spacing-lever in both directions. A spring holding-pawl29, pivoted to the hanger 7, normally prevents backward rotation'of theratchet-wheel, and hence prevents backward movement of the v entiremechanism. The moving pawl 20 and the holding-pawl 29,. which arepivoted at opposite'sides of the ratchet-wheel, are provided withupwardly-extending arms 20 and 29 in line with pins or projections 30and 31, secured to a longitudinally-movable push-rod 32, mounted inbearings 33 and 34 at opposite ends of the hanger 7". A spring 35,interposed between the bearing 33 and a knob 36 at the forward end ofthe push-rod, normally holds said rod in its forward position with thepins 30 and 31 out of engagement with the arms upon the pawls. When itis desired to move the machine rearwardly upon the machine-guideways,however, the push-rod is pressed backward and the pins 30 and 31 engagethe arms upon the pawls and lift both pawls out of engagement with theratchetwheel. After the pawls have been disengaged a stop-pin 37 uponthe push-rod engages the bracket 28 upon the supportingframe, and thecontinued rearward pressure upon the push-rod then forces the machinerearwardly upon the ways. The mechanism may at any time be drawn forwardupon the ways without operating the spacing-lever by simply grasping oneof the cross-bars or any other convenient part of the machine andpulling it forward to the desired extent.

Tg pc fart 12w cmriagc.'lhe carriage F, as shown in Fig. 8, consists ofa rigid frame having parallel side bars 38 and 39, connected at theirrear ends by a horizontal crossbar 40 and having legs 41 at theirforward ends and uprights 42 at intermediate portions of their lengthsconnected by a cross-bar 43. The bars 40 and 43 are parallel with oneanother and provided with grooved guide-wheels 44 and 45, which restupon the guide-bars 14and 15 of the tilting carriage-frame E. Rollers 46and 47, supported by brackets depending from the bars 40 and of thecarriage, extend beneath the guide-bars 14 and '15, respectively, andprevent vertical movement of the carriage relatively to said guide-bars.

A s n'ing-actuated drum 49 (see Figs. 1, 2, and is mounted upon abracket 50, secured to the rigl'1thand side bar 13 of the tiltingcarriage-frame E, and a strap 51 upon said drum has one of its endsconnected to a hook 52 upon the carriage F. The guide-bar 14, whichrocks with the frame F, has on its forward side a rack 53, which isengaged by a dog 54, secured to a transverse verticallymovable bar 55.This bar 55, carrying the dog, has'a pair of arms 56, Figs. 4, 5, 6, and14, secured to its ends, and the forward ends of said arms are journaledupon pivot-pins 57, secured to the outer sides of the depending legs 41of the carriage-frame F. The bar 55 and connected arms form a bail whichholds the dog opposite the rack. The rear ends of the arms 56 of thebail are supported by links 58 from levers 59, the rear ends of whichare journaled upon pivot-pins 60 near the rear of theside-bars 38 and 39of the carriage-frame F. The links 58, as shown, are connected to thelovers 59 near the rear ends of the latter, and the forward ends of saidlevers are pivoted to upwardlvextending rods 61, which latter areconnected together near their upper ends by a universal bar 62,extending transversely of the machine. The universal bar rests upon therear ends of the type-key levers a or upon projections 63 secured tosaid levers.

The key-levers are fulcrumed centrally upon a tiling type-frame (if,hereinafter described, and the universal bar is held in its positionover the ends of the type-key levers by a pair of links 143, journaledat their forward ends upon pivot pins or studs 146, secured to thetype-frame and connected at their rear ends tothe upper ends of the rods61 by pivot-pins 147. The universal bar is therefore caused to followthe rocking movement of the type frame by reason of the links 143.Instead of connecting the links to the rods 61 the same purpose would beanswered if their rcarends were journaled upon the universal bar, theobject being to connect said bar with the typeframe and hold it inposition over the keylevers, while permitting its free npwardmovementwhen a type-key or the spacing-key is depressed. 1t will be evident thatwhen the. rear end of a key-lever is raised and lowered by thedepression and release of a type-key the universal bar will be raisedand lowered, thereby causing the dog to oscillate vertically and permitthe carriage to be drawn to the right one space by the actuating-spring.

A pair of space-key levers144 at opposite sides of the machine arejournaled at their rear ends upon studs or pins 146 and are connected attheir forward ends to a spacing-key 145, arranged transversely at thefront of the keyboard. These spaee-key levers, as shown in Figs. 13 and14, extend rearwardly for a short distance beyond their pivotal points,and shoulders 148 upon said rearward extensions project laterallybeneath the links 143. The space-key levers are supported by springs139, secured to the type-frame, which springs hold the levers againstpins or shoulders 82, projecting from the ends of the slotted guidebar80. .It will be seen from an inspection of Fig. 14 that when a type-keyis depressed the universal bar and the dog and intermediateconnectingparts will be raised from their normal positions (shown indotted lines in said. figure) into the positions shown in full linesWithout disturbing the spacing-key levers. hen the spacing-key isdepressed, the shoulders 148 at the rear ends of said levers raise-thelinks 143 and cause the escapement mechanism to be actuated withoutdiswith suitable transverse guide-slots, within 1 which are arranged aseries of type-bars c, radial to the printing-point at the lower end ofthe frame. A flat guide-plate 74 is arranged at the rear of the frameand provided with converging guide-blocks 7 5, Figs. 2 and 4, fordirecting the type-heads tothe printing-point. A plate 76 (see Fig. 16)is secured to the front of the frame and provided with a depending arm76, which extends to the apex of the frame and is provided withguideblocks 77 thereon for the type-heads. The arm 7 6, as shown, isslightly shorter than the rear plate 7 4, so as to support the guideblocks 77 a little above the blocks and in order to prevent the arm fromstriking the printing-surface when the frame is tilted into the positionshown in Fig. 5. When the frame is tilted into this position, the blocks77 guide the forward ends of the type-heads close to the printing-point.An arched plate 7 8, which also guides the type-bars, is arranged acrossthe front of the frame. The type-key levers a are fulcrumed within slots79 in the upper edge of a fulcrum-plate 80, secured to the upper ends ofthe side pieces 71, and they are prevented from being moved verticallyout of the slots by a guard 81, secured to the fulcrum-plate 80 andextending over the key-levers. The key-levers are held in alinement andparallel with one another by a guide-plate 82, extending across the rearside of the type-frame and having vertical Slots 83 in line with theslots in the fulcrumplate 80.

A pair of parallel arms 84, Figs. 1, 4, and 5, extend rearwardly fromthe side pieces of the type-frame, and secured between these arms is anarched fulcrum-bar 85 and a similarly-arched spring supporting-bar 86,the latter being in the rear of the bar 85. The typebars are operated bya series of intermediate levers 87, fulcrumed on'the arched fulcrumbar85, each intermediate lever having its rear end connected by a link 88to a key-lever a and having at its forward end a laterally-projectingstud 89, which extends into a horizontal slot 90 in one of thetype-bars. The typebars are held in their normal positions by thefingers 91 of a comb-spring d, the rear end or continuous portion ofwhich is secured to the arched spring supporting-bar 86. The forked endsof these spring-fingers engage the lower edges of the levers 87 betweenthe fulcrumbar and the type-bars and press the forward ends of saidlevers upwardly.

The depression of a key, it will be seen, causes an upward pull upon thelink 88, which in turn rocks the intermediate lever 87 and forces thetype-bar downwardly to the printing-point. When the key is released, theparts are returned to their normal positions by the spring.

Each type-bar is provided with a type-head having two or more types orprinting characters arranged with their faces in different planes. Inthe drawings, Figs. 4 and 5, each type-head 92 is provided with twoprinting characters 93 and 94, arranged one in front of the other. Therear types 94 on the typeheads represent lower-case letters and arearranged to print when the type-frame is in its vertical position,(shown in Fig. 4,) and the forward or upper-case characters 93 havetheir faces arranged in planes such that they will be parallel with theprinting surface when the type-frame is tilted forward, as shown in Fig.5.

The type-frame is normally drawn toward its vertical position against anadjustable stop 96, Figs. 4, 5, and 8, by aspring 97, Fig. 6, which isattached to the type-frame and to the type-frame carriage F, and it isnormally locked in this position by a latch-lever 98, Figs. 2 and 5,fulcrumed upon an arm 99 of an upright bar 100, which bar is secured atits lower end to the left-hand trunnion 70 of the type-frame and at itsupper end to the top of the type-frame' The rear end of this latchleverengages a slot 101 in a plate 102, which is attached to the side bar 38of the carriage F. A shifting-key e is arranged upon the outer end ofthe latch-lever, and by depressing and bearing in a forward directionupon this key the type-frame may be swung forward upon its trunnionsinto the position shown in Fig. 5 against an adjustable stop-pin 103,Figs. 1, 4, 6, and 8, which pin is carried by a bracket attached to thebar 38 of the carriage F. In this position the faces of the upper-caseletters are brought parallel with the printing-surface and in positionto print upon the line, and, as shownin dotted lines in Fig. 5, thelower-case letters at the rear of the type-heads do not touch theprinting-surface when the type-bars are depressed.

As the type-key levers, the spacing-key levers, and the universal bar,which is held in place above the ends of the type-key levers by thelinks 143, tilt bodily forward and backward with the type-frame, therelations of these parts to one another and to the type-frame do notchange with the movement of said frame. As the position of the universalbar relatively to the dog changes when the type-frame is tilted, a rigidconnection between said universal bar and dog would cause the dog tomove out of engagement with the rack 53 when the type-frame is tilted.It is therefore essential to provide flexible connections between theuniversal bar and dog or other escapment mechanism such, for instance,as the parts 58, 59, and 61, heretofore describedso as to permitrelative movement between the type-frame and its carriage withoutoperating or disengaging the dog. When the type-frame is in its normalor vertical posi tion relatively to the carriage, the parts 58, 59, and61 stand in the relation to one another shown in Fig. 6 and in dottedlines in Fig. 14. When the type-frame is tilted forward, the rods 61, towhich the universal bar is connected, rock about their points ofconnection with the rods 59 and form a greater angle with said rods, asshown in full lines in Fig. 5. The forward ends of the rods 59 arecaused to move upward slightly with the tilting of the type-frame; butas the links 58 are connected near to the rear pivoted ends of the rods59 and to the forward ends of the rods 56, which carry the dog, themovement imparted to the dog is negligible and not sufficient to operateit. When a key is depressed, however, as indicated in dotted lines inFig. 5 and in full lines in Fig. 14, the universal bar is raised by thekey-lever and the rods 61 59, links 58, andlevers 56 all move upwardlyto a suflicicnt extent to permit the dog to act and allow the carriageto move laterally one space for letter-spacing.

When it is desired to inspect the sheet which is being printed upon, thetilting carriage-frame, carriage, and type-frame carrying the printingmechanism may be tilted backward away from the platen or printingsurface, as shown in Fig. 6 until a pair of stops 104, upon the rear barof the carriage F, rest against the cross-bar 10, which is secured tothe hangers of the main supporting-carriage 1). The parts will then beheld in this position by reason of the rearwardly-suspendedcounterweight 17.

The entire printing mechanism may be thus tilted in thesupporting-carriage away from the printing surface or platen, or thesupporting-carriage and printing mechanism may be moved rearwardly alongthe machine-guideways away from the platen or printing area.

The arrangement of the type upon the typebars is shown in Figs. 16 and17 The typebars 0 are arranged radial to the printing point, and thetype-heads 92 are perpendicular to the printing-point. The type-bars ateach side of the center of the machine are connected. to theirrespective heads at angles which vary with the inclination of the bars.The faces of the type upon the type-heads also lie in different planes.As the normal position of the type-frame is perpendicular to the writing-su rface, the lower-case letters 94 stand normally parallel with thewriting-surface, while the upper-case letters 93 are arranged at such anangle to the lower-case letters that they will lie parallel to theprinting-surface when the type-frame is tilted forward against the stop103.

Ribbon moeenmm-The inking-ribbon h is wound on spools 105 and 106, whichare rotatably mounted on horizontal spindles 107, secured to brackets1.08, the latter being connected to and projecting laterally outwardfrom the depending legs 41 of the carriage F, as shown in Fig. 2. Thespools are held with sufiicient friction to prevent them from turningloosely on the spindles by means of springdisks 109, interposed betweenthe spools and adjustable nuts 110 upon the spindles. Pawls 111 and 112,pivotally connected at their upper ends to the links 143 (see Fig. 16)in the rear of the pivotal points of the latter, are arranged to engageratchet-wheels 113 and 114 on the ribbon-spools 105 and 106,respectively. These pawls extend through slots 115, Fig. 1, in theopposite ends of a sliding ribbon-shifting bar 116, which is supportedin suitable bearings connected with the type-frame, and the pawls arenormally drawn toward the ratchet-wheels by springs 117. The arrangementis such that when the bar 116 is moved to the left the left-hand pawl111 will be thrown out of engagement with the ratchet-wheel 113 and theright-hand pawl will be drawn into engagement with the ratchet-wheel114, as shown in Fig. 2. When the bar 116 is moved to the right, theleft-hand pawl will engage the ad jacent ratchet-wheel and theright-hand pawl will be thrown out of action. The details of theengaging ends of the pawls are shown in Fig. 15. As the upper ends ofthe pawls are attached to the links 143, which oscillate with thetype-frame when the latter is tilted upon its trunnions, it is necessaryto arrange the pawls so that they will not become disengaged from theratchet-wheels, which are supported by the carriage, when the typeframeis tilted. In order to provide for this, guiding projections 117 arearranged at the sides of the hooked end of each pawl, as shown in Fig.15, and these projections, which lie on opposite sides 01 theratchet-wheel, hold the engaging end of the pawl in line with theratchet-wheel.

Each time the links 143 are moved upward by the elevation of theuniversal bar in the act of depressing a key the pawls are moved upward,and the one which is in engagement with the ratchet-wheel moves thelatter, which in turn causes a longitudinal movement of the ribbon.

The ribbon between the spools extends through a flat tubular guide 118,which guide extends beneath the type-frame and is connected near itsopposite ends to bearings 119 and 120, which are journaled upon thetrunnions 70. A slot 121 is formed in the center of said guide to permitthe type-bars to strike the ribbon and impress the latter upon theprinting-surface. The ribbon is held in its normal position beneath thetype-frame by means of a lever 122, secured to the bearing 120, and aspring 123, connecting said lever .with the carriage, as shown in Figs.2, 3, 6,

10, and 11. A spring-latch 124, pivoted to the upper end of said lever,normally engages a pin 125 upon the carriageF and locks the ribbon-guideagainst movement. An upwardlyinclined pointer or indicator 126 issecured to the ribbon-guide in front of the printing-point.

When it is desired to inspect the line which is being printed upon, itis merely necessary to depress and bear forward upon akey 9, seoured tothe spring-latch 124, and the ribbonguide and ribbon will be movedrearwardly, as shown in Fig. 11, thereby exposing the line which isbeing written upon. The indicator, which moves rearwardly withtheribhon-guide, will then point to the position upon the printing-surfacewhere the type will strike at the next depression of a key. When it isdesired to set the machine so as to print at any given point in a line,the machine is moved with the ribbon-guide thrown backward until thepoint of the indicator is opposite the desired point on the printing-surface. The ribbon-guide key g is then released, and the next typedepressed will print at the point indicated.

platen and pZatm-spaciag meclwmz'sm. The writing-machine thus fardescribed is applicable to writing upon flat surfaces, such as upon thepages of a book or separate sheets of paper placed upon a platen, andthe machine may be moved, as hereinbefore described, to any desiredposition over such surfaces or moved rearwardly off of theprinting-surface, or the type-frame and its carriage may be tiltedbackward away from the printing-surface without the necessity of liftingthe weight of the entire machine and without disturbing the position ofthe supporting-carriage. In printing upon the pages of a large'book itis necessary, of course, to place the machine at the rear portions ofits guideways in order to print the lines on the upper portion of thepage, and it is necessaryto space the machine forward upon its guidewaysfor the successive lines upon the page. The operator therefore must leanor reach forward to a considerable distance in order to write on theupper part of the page, and each successive line places the keys in anew position relatively to the operator. The operation of the machine inits rearmost position requires considerably more physical effort on thepart of the operator than would be required if the machine were locatedin a fixed and convenient position upon the forward or central portionsof the machine-guidewayss In printing upon light work, such asbill-heads or manifestsheets, therefore, I provide means for spacing theplaten rearwardly for the suceessivelines, the machine. being fixed inposition upon the machine-guideways where it will be most convenient forthe operator. The machine is shown in connection with such a movableplaten. Bookwork of course requires a special supporting-table anddevices for holding and adjusting the book. (Not here shown andunnecessary to illustrate.)

As shown in the drawings, the platen C consists of a flat printing-bedprovided with ledges or guides 125, extending along two or more of itssides, for the purpose of readily squaring the paper upon theprinting-bed, and the paper is clamped in position by suitable clamps150. A pair of platen guide rails or ways 127 are secured upon thesupportingtable between and parallel with the machineguideways, and theplaten is provided on its lower side with guide-pieces 128, which guidethe platen upon the ways. A rack 129 (see Fig. 12) is secured to thelower side of the platen and extends along one of its longitudinaledges. This rack, the teeth of which project laterally, is engaged by apinion 130, journaled upon a stud 131, which is vertically arranged uponthe supporting-table. A ratchet-wheel 133 is secured to the pinion 130and rotates therewith upon the stud. The ratchet-wheel is operated bymeans of a pawl 134 and a platen-spacing lever 135, to which said pawlis pivoted. This lever, as shown, is pivoted to the supporting-tablenear the adjacent platen guide-rail and extends substantially at rightangles to the platen. The lever is normally drawn against a stop-pin 132by a spring 136, connected to the lever and to the supporting-table. Thelever has a limited movement between said stop 132 and an adjustablestop 137, arranged to limit the forward movement of the lever and toadjust such movement for line-spaces of different widths. The pawl isnormally held in engagement with the ratchet-wheel by means of a spring138, and when the free end or handle of the lever is pulled forward itwill be evident that the platen will be moved rearwardly one space ofthe width for which the step 137 is adjusted.

In order to permit the platen to be drawn forward freely, a cam 140 ispivotally mounted upon a stud 141, secured to the spacing-lever andprovided with a suitable handle 1 12, by-

which it may be turned upon the stud. The cam is arranged at one side ofthe forward end of the centrally-pivoted pawl 134:, and when the cam isin the position shown in full lines in Fig. 12 the pawl is free toengage and move the ratchet-wheel for line-spacing. hen it is desired tomove the platen forward, however, the cam is turned so that it bearsagainst the side of the pawl and rocks the pawl about its pivotal pointagainst the tension of the spring 138, and the pawl is therebydisengaged from the ratchet-wheel, as indicated in dotted lines in Fig.12. The platen may thus be moved forward for the purpose of placing newsheets of paper upon it, and as there is nothing to obstruct itsmovement rearward it may easily be set in any desired position, and whenthe cam 140 is moved so as to release the pawl the platen may be spacedrearwardly for successive lines of printing by moving the platenspacinglever 135.

The type-frame may be adjusted vertically relatively to the platen orprinting surface by turning the eccentric-screws 20 and 20, so that thetype will strike said surface properly when forced down between thetype-head guides. t The operation of the machine will be fullyunderstood from the foregoing description without further explanation.It will be obvious that instead of employing a fixed rack and a dogmovable with the carriage this arrangement may be reversed, the rackbeing the movable member of the escapement mechanism and the dog beingstationary with respect thereto, or other forms of escapement mechanismmay be employed and various other alternative and modified arrangementsof parts may be made within the scope of my invention.

A cover H, as shown in Fig. 3, is suitably secured to the type-framecarriage and extends over said carriage and the type-frame.

Having described my invention, what I claim, and desire to secure byLetters Patent of the United States, is

1. The combination with machine-guideways and platen-guideways arrangedsubstantially parallel with one another, of a writingmachine supportedby and adjustable longitudinally of the machine-guideways, toward andfrom the operator, a flat'platen adjustable longitudinally of theplaten-guideways, to ward and from the operator and mechanism forimparting a step-by-step movement to the machine for line-spacing.

2. The combination with machine-guideways and a writing-machinesupported by and adjustable longitudinally of said machine guideways,said machine comprising carriage guide-rails arranged transversely ofthe machine-guideways, a carriage movable along said rails, printingmechanism movable with the carriage and mechanism for moving saidcarriage step by step for letter-spacing, of platen-guideways arranged.substantially parallel with the machine-gmideways, and a flat platenadjustable along the platen-guideways below the Writing-machine.

3. The combination with platen-guideways, a Hat platen and means forspacing said platen longitudinally of said platen-guideways, of awriting-machine supported above the platen and comprising carriageguide-rails arranged transversely of the platen-guideways, a carriagemovable along the carriage guiderails, type-bars having type thereonmovable with the carriage and arranged to print at a commonprinting-point, keys for operating said type-bars, and means controlledby the movement of said keys for spacing said carriage! along thecarriage guide-rails.

4. The combination with platen-guideways, a flat platen and means forspacing the platen along said guideways, of machine-guideways arrangedparallel with the platen-guideways and a writing-machine adjustablelongitudinally of said machine-guideways above the platen, said machinecomprising carriage guide-rails arranged transversely of themachine-guideways, a carriage movable along the carriage guiderails,printing mechanism movable with the carriage, and mechanism for impartinstep-by-step movement to the carriage "for letter-spacing.

5. The combination with platen-guideways, a fiat platen and means forspacing the platen along said guideways, of machine-guideways arrangedparallel with the platenguideways, a writing-machine adjustablelongitudinally of said machine-guideways above the platen, said machinecomprising carriage guide-rails arranged transversely of themachine-guideways, a carriage movable along the carriage guide-rails,printingmechanismmovable with the carriage, mechanism for moving saidcarriagc for letter-spacing, and means for spacing the machine along themachine-guideways.

6. The combination with platen-guidcways and machine-guideways arrangedsubstantiall y parallel with one another, oi. a flat platen adjustablelongitudinally of the platen-guideways, means for spacing said platenaway from the operator, a writing-machine adjustable longitudinally ofthe machine-guideways above the platen, and means for spacing saidmachine toward the operator.

7. The combination with machine guideways, of a writing-machinesupported thereby and adjustable thereon above the printingsurt'ace,said machine comprising a typei'rame carriage movable transversely ofthe printing-surface, a typvframe pivotally mounted in said carriage,and arranged to rock about a horizontal axis, type-bars carried by saidframe, each bar having two or more printing characters with theirfaces-arranged in different planes, and mechanism for moving said typeframe longitudinally and. transversely of said guideways for line andletter spacing.

8. The combination with platen-guideways, a platen, and means forspacing said platen longitudinally of the guideways, o'l'awritingmachine supported above the platen and comprising a type-framearranged to rock about ahorizontal axis,typebars carried by said frame,each bar having two or more printing characters thereon with their facesarranged in dilferent planes, and mechanism for moving said type-framefor letter-spacing.

9. 1n a type-writing machine, the combination with a flat platen andmeans for moving the same for line-spacing, of a type-framecarriagesupported above the platen on suitable ways, mechanism for impartingmovement to said carriage transversely of the platen for letter-spacing,a type-frame pivotally mounted in the carriage and arranged to rockabout a horizontal axis, and a series of type-bars carried bysaid frame,each bar being provided with two or more printing characters havingtheir faces in different planes.

10. In a type-writing machine, the combination with a flat platen andmeans for moving I tion with machine-guideways supported independentlyof and apart from the printing bed or surface, of a type-frame carriagesupported by said ways above the printing-surface, mechanism for movingsaid carriage for letterspacing, a type-frame pivotally mounted in thecarriage and arranged to rock about a horizontal axis, and a series oftype-bars carried by said frame, each bar being provided with two ormore printing characters having their faces in different planes.

12. In a type-writing machine, the combination with machine-guidewayssupported independently of and apart from the printing bed or surface,of a Writing-machine adj ustably mounted upon said guideways andcomprising.

carriage guide-rails arranged transversely of the machineguide ways, atype-frame carriage supported upon said guide-rails above the printingsurface, a type frame pivotally mounted in the carriage and arranged torock about a horizontal axis, and a series of typebars andoperating-keys therefor carried by said frame, each bar being providedWith two or more printing characters having their faces in diiferentplanes.

13. In a type-writing machine, the combination with a suitable supportof a tilting carriage-frame pivotally connected thereto and arranged torock about a horizontal axis, a typeframe carriage supported by saidframe, mechanism for moving-said carriage for letterspacing, atype-frame pivotally connected to said carriage and arranged to rockabout a horizontal axis, and type-bars carried by said typeframe, saidbars being each provided with two or more printing characters havingtheir faces arranged in different planes.

14. In a type-writing machine, the combination with a suitable support,of a tilting carriage-frame pivotally connected thereto and arranged torock about a horizontal axis, a t ypeframe carriage supported by saidframe, mechanism for moving said carriage for letter-spacing, atype-frame pivotally connected to the carriage and arranged to rockabout ahorizontal axis, and type-bars and operating-keys thereforcarried by said type-frame, said bars being each provided with two ormore printing characters having their faces arranged in differentplanes.

15. Ina type-writing machine, the combinawith platen-guideways, a platenand mechanism for adjusting said platen longitudinally of said guidewaysfor line-spacing, of a main supporting-frame, a tilting carriage-framepivotally connected thereto and arranged above the platen, saidcarriage-frame being arranged to rock about a horizontal axis, acarriage supported by said carriage-frame, mechanism for moving saidcarriage for letter-spacing, a type-frame pivotally connected to thecarriage and arranged to rock about a horizontal axis, and type-barscarried by said type-frame, said bars being each provided with two ormore printing characters having their faces arranged in differentplanes.

16. In a type-writing machine, the combination with platenguideways,aplaten and mechanism for adjusting said platen longitudinall y of saidguideways for line-spacing, of a machine-supporting frame, a tiltingcarriageframe pivotally connected thereto above the platen and arrangedto rock about ahorizontal axis, a type-frame carriage supported by saidtilting carriage-frame, mechanism for moving said carriage forletter-spacing, a type-frame pivotally connected to the carriage andarrcnged to rock about a horizontal axis, and type-bars andoperating-keys therefor carried by said type-frame, said bars being eachprovided with two or more printing characters having their facesarranged in different planes.

17. In atype-Writing machine, the combination with machine-guideways anda supporting-frame movable thereon, of a tilting carriage-framepivotally connected to said supporting-frame and arranged to rock aboutahorizontal axis,a type-frame carriage mounted upon the tiltingcarriage-frame, mechanism for moving said carriage for letter-spacing, atype-frame journaled in the carriage and arranged to rock about ahorizontal axis, and type-bars carried by said type-frame, said barsbeing each provided with two or more printing characters having theirfaces arranged in different planes.

18. In atype-writing machine, the combination with machine-guideways, asupportingframe movable thereon, and mechanism for moving said framelongitudinally of said ways for line-spacing, of a tiltingcarriage-frame pivotally connected to said supporting-frame and arrangedto rock about a horizontal axis, a type-frame carriage mounted upon saidcarriage-frame, mechanism for moving said carriage for letter-spacing, atype-frame journaled in the carriage and arranged to rock about ahorizontal axis, and type-bars carried by said type-frame, said barsbeing each provided with two or more printing characters having theirfaces arranged in different planes.

19. In a type-writing machine, the combination with platen-guideways, aplaten and mechanism for adjusting said platen longitudinally of saidguideways for line-spacing, of machineguideways arranged parallel withthe platenguideways, a supporting-frame movable on saidmachine-guideways, mechanism for moving said supporting-framelongitudinally of the ways for line-spacing, a tilting carriageframehinged to said supporting-frame and arranged to rock about a horizontalaxis, a typeframe carriage mounted upon the supportingframe, mechanismfor moving said carriage for letter-spacing, and type-bars andoperating-keys therefor supported by said carriage.

20. In a type-writing machine, the combination with platen-guideways, aplaten and mechanism for adjusting said platen longitudinally reams ofsaid guideways for line-spacin g, of machi neguideways arranged parallelwith the platenguideways, a supporting-frame movable on saidmachine-guideways, mechanism for mov ing said supporting-framelongitudinally of theways for line-spacing, a tilting carriageframehinged to said supportingframe and arranged to rock about a horizontalaxis, a carriage mounted upon said carriage-frame, mechanism for movingsaid carriage for letterspacing, a type-frame journaled in the car riageand arranged to rock about a horizontal axis, and a series of type-barscarried by said type-frame, said bars being each provided with two ormore printing characters having their faces arranged in differentplanes.

21. In a type-writing machine, the combination with platen-guideways, aplaten and mechanism for adjusting said platen longitudinally of saidguideways for line-spacing, of mach ineguideways arranged parallel withthe platenguideways, a supporting-frame movable on saidmachine-guideways, mechanism for moving said supporting-framelongitudinally of the ways for line-spacing, a tilting carriageiramehinged to said supporting-iframe and arranged to rock about a horizontalaxis, a carriage mounted upon said carriage-frame, mechanism for movingsaid carriage for letter-spacing, a type-fra me journaled in thecarriage and arranged to rock abouta horizontal axis, and a series oftype-bars and operatingkeys therefor carried by said type-frame, saidbars being each provided with two or more printing characters havingtheir faces arranged in different planes.

22. In a type-writing machine, the combination with carriage-guideways,a type-frame carriage movable upon said guideways an d escapementmechanism one member of which is movable with said carriage, of atype-frame pivotally mounted in the carriage, key-levers carried by saidtype-frame, a universal bar arranged in operative relation to saidkey-levers and adapted to rock with the type-frame, and flexibleconnections between said universal barand the movable member of theescapement mechanism permitting said bar and typei'rame to rock withoutoperating the escapement mechanism.

23. In atype-writing machine, the combination with carriage-guidewaysand a carriage movable upon said guideways of a type-frame pivotallymounted in the carriage, key-levers carried by said type-frame, auniversal bar arranged in operative relation to said levers and adaptedto rock with the type-frame, es capement mechanism comprising a dog anda rack, one member of said mechanism being movable with the carriage,and flexible connections between said movable member and the universalbar permitting said bar and type frame to rock without operating theescapement mechanism.

24. In a type-writing machine, the combination with carriage-gnidewaysand a type-frame carriage movable upon said guideways of a type-framepivotally mounted in the carriage, key-levers carried by saidtype-frame, a universal bar arranged in operative relation to saidlevers and adapted to rock with the typeframe, a link connecting saiduniversal bar with the type-frame, escapement mechanism comprising twomembers, one of which is mov able with the carriage, and flexibleconnections between said movable member and universal bar permittingsaid bar to rock with the type-frame without operating the escapementmechanism.

25. In a type-writing machine, the combina tion with carriage-guid ewaysand a ty pe-i'rame carriage movable upon said guideways, of a type-frame pivotally mounted in the carriage, key-levers carried by saidtype-frame, a universal bar arranged in operative relation to said.levers and adapted to rock with the typeirame, a link connecting saiduniversal bar with the type-frame, escapement mechanism comprising twomembers, one of which is movable with the carriage, a lever pivoted tothe carriage and supporting said movable member, and a rod hinged tosaid leverand connected to the universal bar.

26. In a type-writing machine, the combination with carriage-guidewaysand a type-frame carriage movable upon said guideways, of a type-framepivotally mounted in the carriage,

key-levers carried by said type-frame, a uni- V versal bar arranged inoperative relation to said levers and adapted to rock with the typeframe, a link connecting said universal bar with the type-frame,escapement mechanism comprising two members, one of which is mov,- ablewith the carriage, a lever pivoted to the carriage, a link connectingsaid lever with the movable member of the escapement mechanism, and arod pivotally connected to said lever and connected to the universalbar.

27. In atype-writing machine, the combina: tion with carriage-guidewaysof a type-frame carriage movable upon said guideways, a type framepivotally mounted in the carriage, keylevers carried by said type-frame,a universal bar arranged in operative relation to said levers, a linkconnecting said barwith the typeframe, escapementmechanism comprisingtwo members, oneo'f which is movable with the carriage, a linkconnecting said movable menu her with the carriage, and flexibleconnections between said link and universal bar permitting thetype-i'rame to rock without operating the escapement mechanism.

528. In a type-writingmachine, the combination with carriage-guidewaysof a type-frame carriage movable upon said guideways, a typeiframepivotally mounted in the carriage, keylevers carried by said type-frame,a universal bar extending transversely of themachine in operativerelation to said key-levers, a pair of links connecting the oppositeends of said universal bar with the type-frame, a rod extendingtransversely of the machine, escapement mechanism comprising twomembers, one of which is supported by said rod, and flexible connectionsbetween said rod and the universal bar permitting the typo-frame to rockwithout operating the escapement mechanism.

29. In a type-writing machine, the combination with carriage-guideways,of a type-frame carriage movable upon said guideways, a typeframepivotally mounted in the carriage, keylevers carried by said type-frame,a universal bar in operative relation to said key-levers, a pair oflinks connecting the opposite ends of said universal bar with thetype-frame, a rod extending transversely of the machine, escapementmechanism comprising two members, one of which is supported by saidtransverse rod, a pair of levers pivoted at opposite sides of thecarriage, links connecting said levers with said transverse rod, androds hinged to said levers and connected to the universal bar.

30. In a type-writing machine the combination with carriage-guidewaysand a rack, of a type-frame carriage movable upon said guideways, atype-frame pivotally mounted in the carriage, key levers carried by saidtypeframe, a universal bar extending transversely of said machine inoperative relation to said key-levers, a pair of links connecting theopposite ends of said universal bar with the typeframe, a rod extendingtransversely of the machine, a dog carried by said rod and engaging therack, a pair of links connecting the ends of said rod with the carriage,a pair of levers pivoted to the carriage, links connecting said leverswith said rod, and rods hinged to said levers and connected to theuniversal bar.

31. Inatype-writing machine, the combination with carriage-guideways anda rack, of a type-frame carriage movable upon said guide- Ways, atype-frame pivotally mounted in said carriage, key levers carried bysaid typeframe, a universal bar arranged in operative relation to saidkey-levers and adapted to rock with the type-frame, a lever pivoted tothe type-frame, a rod connecting the free end of said lever with theuniversal bar, a link connected to said lever near its pivotal point onthe carriage, and a dog connected to said latter link and engaging therack.

32. In a type-writing machine, the combination with guide-rails and atype-frame carriage movable thereon, of a type-frame pivoted to saidcarriage, longitudinally-movable typebars and key-levers thereforcarried by said type-frame, and means for giving said carriage astep-by-step motion for letter-spacing.

33. In a type-writingmachine, the combination with guide-rails and arack, of a typeframe carriage movable upon the rails, avertically-arranged type-frame pivotally secured to the carriage,longitudinally-movable typebars and key-levers therefor carried by saidtype-frame, a universal bar arranged to rock with the type-frame, a dogengaging said rack, and flexible connections between said doganduniversal bar.

34. In a type-writing machine, the combination with guide-rails, atype-frame carriage movable thereon transversely of the printing bed orsurface and letter-spacing mechanism for the carriage, of avertically-arranged typeframe pivoted near its lower end to said car'-riage, a series of radially-arranged type-bars 'carried by saidtype-frame, a corresponding and links connecting the opposite ends ofsaid intermediate levers with the key-levers.

36. Inatype-writingmachine, thecombination with guide-rails, atype-frame carriage thereon and letter-spacing mechanism, of atype-frame pivotally mounted in said carriage, a series ofradially-arranged type-bars carried by said type-frame, a correspondingseries of key-levers fulcrumed upon said frame, a series of intermediatelevers fulcrumed upon said frame, each intermediate lever having one endoperatively engaging a type-bar, links connecting the opposite ends ofsaid intermediate levers with the key-levers, and springs holding saidlevers and type-bars in their normal positions.

37. 'In atype-writing machine, the combination with guide-rails, atype-frame carriage thereon and letter-spacing mechanism, of atype-frame pivotally mounted in said carriage, a series ofradially-arranged type-bars carried by said type-frame, a series ofkey-levers fulcrumed upon said frame, an arched fulcrum-bar extendingtransversely of said frame, a series of intermediate levers journaledupon said bar, each intermediate lever having one of its endsoperatively connected to a type-bar, and links connecting the oppositeends of said intermediate levers with the key-levers.

38. In atype-writing machine, the combination with guide-rails, atype-frame carriage thereon and letter-spacing mechanism, of atype-frame pivotally mounted in said carriage, a series ofradially-arranged type-bars carried by said type-frame, a series ofkey-levers fulcrumed upon said frame, an arched fulcrumbar extendingtransversely of said frame, a series of intermediate levers journaledupon said bar, each intermediate lever having one of its endsoperatively connected to a typebar, links connecting the opposite endsof said intermediate levers with the keylevers, and springs arranged tohold said levers and typebars in their normal positions.

39. In a type-writing machine, the com bination with guide-rails, atype-frame carriage thereon and letter-spacing mechanism, of atype-frame pivotally mounted in the carriage, a series of type-barsradially arranged in said frame, a corresponding series of key-leversfulcrumed on said frame, an arched fulcrumbar extending transversely ofthe frame, intermediate levers journaled upon said fulcrumbar, eachintermediate lever having one of its ends engaging a type-bar, linksconnecting said intermediate levers with the key-levers, an archedspring-supporting bar extending transversely of said frame, andspringiingers carried by said latter bar and bearing against theintermediate levers.

40. In atype-writingmachine, the combination with guide-rails, atype-frame carriage movable thereon transversely of the printing bed orsurface and letter-spacing mechanism for said carriage, of avertically-arranged type-frame pivotally connected to said carriage andadapted to rock about a horizontal axis, and stops upon the carriagearranged. to limit the movement of the type-frame.

41. In a type-writing machin e, the combination with guide-rails,atype-frame carriage and letter-spacing mechanism, of avertically-arranged type-frame pivot-ally connected to said carriage andadapted to rock about a horizontal axis, astop upon said carriage, and aspring arranged to hold the type-frame against said step.

42. In a type-writing machine, the combination with guide-rails, atype-frame carriage and lettenspacing mechanism, of a verticallyarrangedtype-frame pivotally connected to said carriage and adapted to rockabout a horizontal axis, a stop upon said carriage, and a shifting-keyhaving a latch arranged to lock the type-frame in position against saidstop.

43. In a type-writing machine, a type-frame carriage, avertically-arranged ty pe-frame pi votall y mounted in said carriage, afulcrum-bar extending transversely across the upper portion of saidtype-frame, said fulcrum-bar having a series of vertical slots therein,key-levers arranged within said slots, a guard securing said key-leverswithin said slots, and type bars mounted in said frame and opcrativelyconnected to said key-levers.

44. In a type-writing machine, a supporting-frame, a tiltingcarriage-frame journaled in said supporting-frame, a rack arrangedadjacent to the axis of the carriage-frame, a typeframe carriage movableupon the carriageframe, a dog movable with said carriage and engagingthe rack, a tilting type-frame journaled in the carriage-frame,key-levers on said type-frame, and connections between said key leversand dog for operating the latter.

45. In a type-writing machine, a supporting-frame, a tiltingcarriage-frame having a transverse bar journaled at its ends in saidsupporting-frame, a rack upon said bar, a type-frame carriage movableupon the carriage-frame, a dog movable with said carriage and engagingthe rack, a tilting type-frame, key-levers on said type-frame andconnections between said key-levers and dog for operating the latter.

46. In a type-writing machine, the combina tion with guide-railsarranged transverselyof the printing bed or surface, a type-fral'necarriage movable along said rails, and a typeframe pivotally connectedto said carriage, of longitudinally-movable type-bars arranged in saidtype-frame radial to the printing-point, each of said type-bars having atype-head. at one end arranged perpendicular to the printing-surface,and each head having several printing characters thereon with theirfaces lying in planes at angles to one another.

47. In a type-writing machine, the combination with a verticallyarranged. pivotallymounted type-frame having a pair of opposingguide-plates at its lower end and a pair of guide-blocks on each plateconverging toward the printing-point, one pair of guide-blocks beinglower than the other, of longitudinallymovable type-bars arranged insaid frame radial to the printing-point, each type-bar having atype-head at one end arranged perpendicular to the printing-surface, andeach head having several printing characters thereon with their faceslying in planes at an angle to one another;

48. The combination with platen guideways, a Hat platen, and means forspacing said platen longitudinally of said guideways, of aWriting-machine supported above the platen, said machine comprising acarriage movable transversely of the platen-guideways, typebars movablewith the carriage, each bar having two or more printing characters withtheir faces arranged in different planes, means for impressing eithercharacter upon a bar against the printing-surface, and means for movingsaid carriage transversely of said guideways for letter-spacing.

In testimony whereof I aflix my signature in presence of two witnesses.

JAMES H. \V. MARRIOTT. W itn esses:

Roenn'r VVA'rsoN, ALEXANDER S. S'rnUAIrr.

